Corner Construction Patents (Class 229/918)
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Patent number: 7128209Abstract: A shipping box (11), shipping box and pallet assembly (10), and a blank (B1, B2, B3) for making the shipping box. The box has integral attaching tabs (38) projecting downwardly therefrom, with at least one slot (31, 32) therein for receiving an extended end (41) of at least one slat (40) on a pallet (13), to releasably attach the box to the pallet. A reinforcing insert (70) is placed in the box against opposite walls. The insert has a center panel (77) of the same width and height as the box wall against which it is placed, and double thickness end panels (78) at opposite sides of the center panel, extending perpendicular to the center panel and lying against adjacent box walls.Type: GrantFiled: July 26, 2004Date of Patent: October 31, 2006Assignee: International Paper CompanyInventors: Timothy L. Bringard, Eric J. Oberliesen
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Patent number: 6938820Abstract: A stackable box formed from a one-piece blank cut of corrugated paperboard material has integrated right-angle stacking tabs protruding upwardly from each top corner of the box which matingly interlock with openings on each bottom corner of a second similarly constructed box so as to prevent sideways slipping of the boxes when stacked. The box folds and assembles without the need for fasteners, glue or other parts. The sides are assembled to have four-wall thickness and the ends are assembled to have two-wall thickness for improved strength.Type: GrantFiled: July 22, 2003Date of Patent: September 6, 2005Assignee: Pratt Industries (U.S.A.), Inc.Inventors: Gerald R. Noone, Ron B. Rhymes
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Patent number: 6899266Abstract: A paperboard container folded from a single unitary blank of paperboard has a bottom wall, opposite side walls, and opposite end walls. Stacking tabs project from an upper edge of the side walls for receipt in corresponding slots in an edge of the bottom wall of an adjacent stacked container, and ventilation openings are formed in the side walls for circulation of air. The side walls are formed by inner and outer roll-over panels, and are slightly inwardly inclined to provide space for circulation of air between the containers when two of them are abutted together in side-by-side relationship. First extension flaps on the ends of the inner roll-over panels lie against and are secured to the inner surface of the end walls, and second extension flaps on the ends of the end walls extend between and are captured by the inner and outer roll-over panels.Type: GrantFiled: November 4, 2002Date of Patent: May 31, 2005Assignee: International Paper CompanyInventor: Doyle A. Conway
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Patent number: 6889893Abstract: A tray-type container 10 includes a bottom wall 20, longitudinally-extending outer side walls 22, and laterally-extending end walls 24, the outer side walls 22 and the end walls 24 extending upwardly from the bottom wall 20 to form an inner cavity 26. As erected, the outer side walls 22 include a plurality of spaced-apart stacking tabs 28A-28D, and the bottom wall forms a plurality of spaced-apart apertures 60, 70, 80, 82, 86, and 88 for receiving the stacking tabs 28A-28D of like or similar containers. A plurality of tray-type containers 10 may be unitized in several stacked configurations utilizing the stacking tabs 28 and apertures 60, 70, 80, 82, 86, and 88. Typically, the plurality of unitized containers 10 are placed upon a shipping pallet or slip sheet, or placed within a shipping container to facilitate shipping by large carriers.Type: GrantFiled: March 9, 2004Date of Patent: May 10, 2005Assignee: Weyerhaeuser CompanyInventor: David Kent
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Patent number: 6886738Abstract: A tray comprising a bottom of the tray; a couple of headers; a couple of sides; a polygonal column on each of its corners; and two top flaps, each of which extends horizontally from one of the headers to the inner area of the tray is provided. The tray also comprises inclined folding lines that allow the folding of the headers and the sides on the bottom of the tray; wherein the inclined folding lines are located on the headers and on the top flaps. The tray is very strong and, at the same time, can be transported substantially flat, occupying a reduced space.Type: GrantFiled: October 27, 2003Date of Patent: May 3, 2005Assignee: Paper, S.A.Inventor: Pere Teixidor Casanovas
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Patent number: 6880748Abstract: A modified atmosphere packaging system and method which allows field and/or centralized facility packing of fresh produce and refrigerated air to circulate throughout a palletized stack of cartons. The packaging includes a transparent lid which is sealingly attached to a corrugated carton allowing for inspection of perishable produce contained therein without breaching an established modified atmosphere.Type: GrantFiled: March 25, 2003Date of Patent: April 19, 2005Inventors: Craig Dale Machado, John Anthony Guido
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Publication number: 20040256448Abstract: A container formed from a blank of corrugated board where cuts between panels on a hinge axis (defined by hinging bridges preferably adjacent an indexing projection) reveal the flute ends and thereby provide stack support for the base of an indexing like container. The indexing walls of the container are slightly inwardly inclined and each corner of the container has a reinforcement (column form) provided by extensions of the panels.Type: ApplicationFiled: April 6, 2004Publication date: December 23, 2004Inventors: Gregory Thomas Blomfield, Robert William Coe
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Patent number: 6817514Abstract: A container having an internal corner support for increasing the stacking strength of the container. The container has multiple wall panels. The internal corner support includes first and second panel sections attached pivotally to one another and which are adjacent a corner of the container for providing additional stacking support.Type: GrantFiled: December 6, 2002Date of Patent: November 16, 2004Assignee: Innovation Packaging Designs L.P.Inventors: Allen L. Kanter, Andrew Sypawka, Peter S. Jaffe, Bradley D. Snyder
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Publication number: 20040211824Abstract: A paperboard container folded from a single unitary blank of paperboard has a bottom wall, opposite side walls, and opposite end walls. Stacking tabs project from an upper edge of the side walls for receipt in corresponding slots in an edge of the bottom wall of an adjacent stacked container, and ventilation openings are formed in the side walls for circulation of air. The side walls are formed by inner and outer roll-over panels, and are slightly inwardly inclined to provide space for circulation of air between the containers when two of them are abutted together in side-by-side relationship. First extension flaps on the ends of the inner roll-over panels lie against and are secured to the inner surface of the end walls, and second extension flaps on the ends of the end walls extend between and are captured by the inner and outer roll-over panels.Type: ApplicationFiled: November 4, 2002Publication date: October 28, 2004Inventor: Doyle A. Conway
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Publication number: 20040211825Abstract: An improved corrugated paper bin blank, collapsed bin, and bin for holding bulk goods are disclosed. According to an embodiment, the bin blank comprises three longitudinal sections, one for a bottom section, another for rectangular outer walls, and a third for octagonal inner walls. Various cut and/or scored portions of the longitudinal sections fold and overlap each other to create the final bin, and can be secured with matching tabs and slots.Type: ApplicationFiled: February 18, 2004Publication date: October 28, 2004Inventors: Robert D. Champion, Harold L. Baker
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Patent number: 6808107Abstract: A container for transporting meat, produce, and other goods contains a bottom wall, side walls, and end walls. The end walls include hinged platform structures movable between a closed position and an open position. The closed position enables stable stacking of multiple containers and the open position allows easy access to the interior of the container for loading and unloading. The hinged platforms further add stability to the container walls when in the closed position.Type: GrantFiled: July 10, 2001Date of Patent: October 26, 2004Assignee: Packaging Corporation of AmericaInventor: Keith A. Jackson
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Publication number: 20040169068Abstract: A single-piece containerboard blank (10) is provided having hingedly-connected first and second side walls (26), (34) in which the second side wall (26) is smaller in length than the first side wall (34). The second side walls each include an outer abutment edge (42). The first side walls include first and second interior end walls (50), (52). Each second interior end wall (52) includes a hypotenuse panel (62) with an inwardly-oriented edge (66). As assembled, the blank (10) forms a container having opposed multi-ply side panels, opposed end panels, and a bottom panel. The hypotenuse panels (62) are oriented in an upright manner and ultimately positioned so that their inwardly-oriented edges (66) push against the first side wall and preferably also against the abutment edges (42) of the second side wall (34). The hypotenuse panels (62) offer stacking strength and reinforcement to the container.Type: ApplicationFiled: March 9, 2004Publication date: September 2, 2004Inventor: David J. McKenna
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Publication number: 20040124111Abstract: In accordance with aspects of the present invention, a single-piece containerboard blank is provided having a bottom panel with a side edge, an end edge and a truncated corner edge extending between the side edge and the corner edge. A side panel is hingedly attached to the bottom panel along the side edge. An end panel is hingedly attached to the bottom panel along the end edge. An end panel adjacent edge is an end panel end edge. An internal corner stacking tab assembly is hingedly attached to the end panel at the end panel end edge along a first fold line. The internal corner stacking tab assembly includes a plurality of segments hingedly connected at a second fold line and a third fold line. A tab extends from an edge of the internal corner stacking tab assembly. The tab is positioned substantially transverse of the third fold line.Type: ApplicationFiled: September 5, 2003Publication date: July 1, 2004Inventor: Alex D. Bevier
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Patent number: 6749107Abstract: A container made from corrugated paperboard has more than four sides and is constructed to resist distortion when force is applied to the ends or sides of the container, and also to resist crushing when containers are stacked on top of one another. In one embodiment, the container has six sides, with two side walls, two end walls, and two diagonally opposed diagonal corner panels and two diagonally opposed square corners. In another embodiment, the container has seven sides, with two side walls, two end walls, and three diagonal corner panels and one square corner. In a further embodiment, the container has eight sides, with two side walls, two end walls, and four diagonally opposed diagonal corner panels. In this embodiment, the diagonal corner panels are oriented so that they subtend an angle of from about 35° to about 40°, and preferably 38°, with respect to the longitudinal axis of the container.Type: GrantFiled: March 4, 2003Date of Patent: June 15, 2004Assignee: International Paper CompanyInventor: Benjamin Quaintance
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Publication number: 20040084514Abstract: The tray comprises a bottom (1) of the tray; a couple of headers (2); a couple of sides (3); a polygonal column (4) on each of its corners; and two top flaps (6), each of which extends horizontally from one of the headers (2) to the inner area of the tray; the tray also comprises inclined folding lines (7) that allow the folding of the headers (2) and the sides (3) on the bottom (1) of the tray; and it is characterised in that said inclined folding lines (7) are located on the headers (2) and on said top flaps (6).Type: ApplicationFiled: October 27, 2003Publication date: May 6, 2004Applicant: Paper, S.A.Inventor: Pere Teixidor Casanovas
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Patent number: 6719191Abstract: A bliss-type, corrugated paperboard container having an open top for transporting and displaying fruit, vegetables and the like has a main piece, which provides a bottom element and opposed first side elements, and two bliss pieces which are adhesively attached to the main piece and provide opposed second side elements. The second side elements include an inner panel having extremities which are separated from the first side elements. Diagonal pieces, attached to the extremities of each inner panel, extend to the first side panels, and second side flaps extend from the diagonal pieces to overlie portions of the first side panels. An outer panel of the second side element extends between the first side elements. Indexing tabs have first ends which are connected to the inner panels and second ends which are connected to the outer panels. The indexing tabs are bent 180° between the first and second ends. The indexing tabs fit into slots located in the bottom of a stacked container.Type: GrantFiled: August 22, 2002Date of Patent: April 13, 2004Assignee: Longview Fibre CompanyInventors: Stephen M. Christensen, Thomas E. Rodgers
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Publication number: 20040056081Abstract: A bliss-type, corrugated paperboard container having an open top for transporting and displaying fruit, vegetables and the like has a main piece, which provides a bottom element and opposed first side elements, and two bliss pieces which are adhesively attached to the main piece and provide opposed second side elements. The second side elements include an inner panel having extremities which are separated from the first side elements. Diagonal pieces, attached to the extremities of each inner panel, extend to the first side panels, and second side flaps extend from the diagonal pieces to overlie portions of the first side panels. An outer panel of the second side element extends between the first side elements. Indexing tabs have first ends which are connected to the inner panels and second ends which are connected to the outer panels. The indexing tabs are bent 180° between the first and second ends. The indexing tabs fit into slots located in the bottom of a stacked container.Type: ApplicationFiled: August 22, 2002Publication date: March 25, 2004Inventors: Stephen M. Christensen, Thomas E. Rodgers
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Patent number: 6675970Abstract: A cushioning support member and a fabricating method thereof, in which a container main body can be constituted by using one piece of corrugated cardboard. The container main body can function simultaneously as a cushioning material which produces a cushioning effect for protecting contents from an external force, and the cushioning support member includes a polygonal bottom surface portion, a plurality of side surface portions formed continuously on sides of the bottom surface portion, and a plurality of supporting piece portions formed on at least two side surface portions of the plurality of side surface portions. The bottom surface portion and the plurality of side surface portions and the plurality of supporting piece portions are formed by one corrugated cardboard.Type: GrantFiled: October 24, 2000Date of Patent: January 13, 2004Assignee: Sony CorporationInventor: Eiko Nemoto
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Patent number: 6676012Abstract: A stackable produce container is formed from a flat one-piece blank, typically of corrugated paper stock. The container has reinforced corners and is divided into compartments by transverse ribs which provide resistance to bulging under load and when exposed to high humidity.Type: GrantFiled: October 20, 2000Date of Patent: January 13, 2004Assignee: Packaging Corporation of AmericaInventors: James D. Southwell, Keith A. Jackson
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Patent number: 6651873Abstract: A container made from corrugated paperboard has at least one mitered corner, with an extended edge portion of one of the container walls extending beyond the mitered corner. A bag cuff grab is formed on the extended edge portion to engage and at least temporarily hold in position a bag placed in the container while product is placed in the bag and container. In one embodiment, the container has six sides, with two side walls, two end walls, and two mitered corners. In another embodiment, the container has seven sides, with two side walls, two end walls, and three mitered corners. In a third embodiment, the container has eight sides, with two side walls, two end walls, and four mitered corners. A bag cuff grab can be formed on an extended edge portion at only one or all of the mitered corners, and can be limited to two bag cuff grabs on extended edge portions at diagonally opposite mitered corners. In a preferred embodiment, the bag cuff grab is a notch formed in the extended edge portion.Type: GrantFiled: July 25, 2002Date of Patent: November 25, 2003Assignee: International Paper CompanyInventor: Benjamin Quaintance
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Patent number: 6651875Abstract: A foldable tote box is made of one-piece board of corrugated plastic. It comprises a rectangular bottom panel of two side edges and two end edges, a pair of side-wall panels, a pair of end wall panels, and two pairs of corner filler beam panels. Each side-wall panel has a folding edge integrally connected to the side edge of the bottom panel, and is folded along a first scored folding line at the folding edge, and has a cover panel connected to its top edge and two end edges defining a width of the side-wall panel and the height of the box. The end-wall panels are respectively integrally connected to and extended from the end edges of the bottom panel and folded along second scored folding lines. Each pair of corner filler beam panels is connected to the end edges of each end-wall panel. Each filler beam panels extends from the end edge of the end-wall panel and is folded along a third scored folding line to form a hollow support beam.Type: GrantFiled: November 4, 2002Date of Patent: November 25, 2003Assignee: Merryland Products, Inc.Inventor: Lawrence H. Y. Chu
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Publication number: 20030209593Abstract: A stackable container formed from a unitary blank pre-cut and pre-scored with an improved design directed at providing material cost savings while achieving stacking stability and related benefits. The container includes a base with two sets of opposing walls. The first set of walls each include a first panel attached at a lower edge to the base and a second panel attached at an upper edge to the first panel and thereby forming at least one stacking tab having a two-ply thickness. The second set of opposing walls each include an outer panel attached to the base; two center flaps, each attached to the corresponding side edge of the first panel thereby forming a corner; and two inner flaps, each attached the corresponding center flap. The container further includes four reinforcement panels, each attached to the adjacent side edge of the corresponding second panel.Type: ApplicationFiled: May 8, 2002Publication date: November 13, 2003Inventor: Johan H. Schilling
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Patent number: 6641032Abstract: A stackable container formed from a unitary blank pre-cut and pre-scored with an improved design directed at providing material cost savings while achieving stacking stability and related benefits. The container includes a base with two sets of opposing walls. The first set of walls each include a first panel attached at a lower edge to the base and a second panel attached at an upper edge to the first panel and thereby forming at least one stacking tab having a two-ply thickness. The second set of opposing walls each include an outer panel attached to the base; two center flaps, each attached to the corresponding side edge of the first panel thereby forming a corner; and two inner flaps, each attached the corresponding center flap. The container further includes four reinforcement panels, each attached to the adjacent side edge of the corresponding second panel.Type: GrantFiled: May 8, 2002Date of Patent: November 4, 2003Assignee: Fruit Growers Supply CompanyInventor: Johan H. Schilling
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Patent number: 6640975Abstract: A box or container, formed from a single blank, with a group of protruding tabs and corresponding bottom apertures which act together to urge, and maintain, the alignment of an upper box on top of a lower box during the stacking of similar boxes.Type: GrantFiled: April 19, 2002Date of Patent: November 4, 2003Assignee: Conagra Grocery Products CompanyInventors: James A. Bennett, Bradley Heath, Jody Hamabata
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Publication number: 20030150764Abstract: In accordance with aspects of the present invention, a single-piece containerboard blank is provided having a bottom panel with a side edge, an end edge and a truncated corner edge extending between the side edge and the corner edge. A side panel is hingedly attached to the bottom panel along the side edge. An adjacent edge of the side panel is a side panel end edge. An internal corner stacking tab assembly is hingedly attached to the side panel at the side panel end edge along a first fold line. The internal corner stacking tab assembly includes a plurality of segments hingedly connected at a second fold line and a third fold line. A tab extends from an edge of the internal corner stacking tab assembly. The tab is positioned substantially transverse of the third fold line.Type: ApplicationFiled: January 23, 2003Publication date: August 14, 2003Inventor: Alex D. Bevier
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Patent number: 6604675Abstract: The present invention provides a stackable open-top container for use in shipping, storing and retail display of produce and other articles. The produce container contains a bottom wall, two side walls and two end walls. The ledges of the side walls of the present invention contain opposed concave curved scores. The produce container is formed by folding the side walls to the outside to achieve structural rigidity. The produce container of the present invention provides for full graphical coverage on all visible surfaces by use of a one-piece blank that is color coated/printed on only one side.Type: GrantFiled: September 27, 2001Date of Patent: August 12, 2003Assignee: Packaging Corporation of AmericaInventor: James D. Southwell
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Patent number: 6598785Abstract: A container made from corrugated paperboard has more than four sides and is constructed to resist distortion when force is applied to the ends or sides of the container, and also to resist crushing when containers are stacked on top of one another. In one embodiment, the container has six sides, with two side walls, two end walls, and two diagonally opposed diagonal corner panels and two diagonally opposed square corners. In another embodiment, the container has seven sides, with two side walls, two end walls, and three diagonal corner panels and one square corner. In a further embodiment, the container has eight sides, with two side walls, two end walls, and four diagonally opposed diagonal corner panels. In this embodiment, the diagonal corner panels are oriented so that they subtend an angle of from about 35° to about 40°, and preferably 38°, with respect to the longitudinal axis of the container.Type: GrantFiled: July 25, 2002Date of Patent: July 29, 2003Assignee: International Paper CompanyInventor: Benjamin Quaintance
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Patent number: 6595411Abstract: A container (10) formed from a one-piece blank (12) including a bottom panel (14), first and second opposed side walls (16), (18), and first and second end walls (20), (22). A top lid panel (24) connects to the first side wall and a bottom lid panel (26) connects to the second side wall. A locking tab (46) is formed in the first side wall and includes a thumb notch (48) located within the tab. The top lid panel includes a pair of cover latches (28) located on the outer corners thereof. The bottom lid panel includes a pair of alignment tabs (40) located on the outer corners thereof. Each end wall includes a hand hole lock (60), a lock slot (64), and a recess (66) located along the end wall exterior edge. The lock slot is located between the recess and the hand hole lock. Each end wall further includes first and second reinforcing panel sub-assemblies (56), (58), each having an inner panel (70), (100), a middle panel (72), (102), and an outer panel (74), (104).Type: GrantFiled: May 14, 2002Date of Patent: July 22, 2003Assignee: Weyerhaeuser CompanyInventor: Jack A. McClure
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Patent number: 6592025Abstract: A tote box is disclosed which incorporates a box, four corner enhancers and a top rail which is secured over the top edge of the erected walls of the box. The walls of the box are held together with the corner enhancers without the benefit of any mechanical fasteners such as rivets or the like. The top rail is secured onto the box by a hook which engages tabs extending outwardly from the walls of the box or clips secured to the box walls. The top rail has a vertical lip which facilitates stacking multiple tote boxes.Type: GrantFiled: October 22, 2001Date of Patent: July 15, 2003Assignee: Bradford CompanyInventors: Donald J. Bazany, Judson A. Bradford
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Patent number: 6575356Abstract: A container (10) formed from a one-piece blank (12) including a bottom panel (14), first and second opposed side walls (16), (18), and first and second end walls (20), (22). A top lid panel (24) connects to the first side wall and a bottom lid panel (26) connects to the second side wall. A locking tab (46) is formed in the first side wall and includes a thumb notch (48) located within the tab. The top lid panel includes a pair of cover latches (28) located on the outer corners thereof. The bottom lid panel includes a pair of alignment tabs (40) located on the outer corners thereof. Each end wall includes a hand hole lock (60), a lock slot (64), and a recess (66) located along the end wall exterior edge. The lock slot is located between the recess and the hand hole lock. Each end wall further includes first and second reinforcing panel sub-assemblies (56), (58), each having an inner panel (70), (100), a middle panel (72), (102), and an outer panel (74), (104).Type: GrantFiled: May 14, 2002Date of Patent: June 10, 2003Assignee: Weyerhaeuser CompanyInventor: Jack A. McClure
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Patent number: 6568588Abstract: A foldable container is formed from a single blank of sheet material which has stacking shoulders, reinforced corners side panels and display panels. The container includes a bottom section delimited by pairs of upright end panels and side panels. Two of the side panels are foldably connected to peripheral segments of the bottom section, pre-glued and cooperate with the latter to form an open top product-accommodating compartment. The top edges of each of the side panels include shoulders for supporting a container stacked thereon and positioning tabs that extend upwardly and fit into corresponding openings in the bottom of the upper container. The lateral edge of each end panel and adjacent side panel has foldably connected thereto a corner-reinforcing member and create shopping accessibility from the front of the container. The reinforcing member includes a first section connected to the end panel edge and being secured in partially overlying relation with the interior surface of the adjacent side panel.Type: GrantFiled: June 15, 2001Date of Patent: May 27, 2003Inventors: James K. Holdsworth, Ramon Morell
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Patent number: 6564993Abstract: A tote box and method of assembling a tote box is disclosed which incorporates a box, four corner enhancers, four corner strengthener clips and a top rail which is secured over the top edge of the erected walls of the box. The walls of the box are held together with corner enhancer assemblies without the benefit of any mechanical fasteners such as rivets or the like. The corner strengthener clips are attached to the corner enhancers to create the corner enhancer assemblies. The top rail may be secured onto the box by a hook on at least one of the side walls of the top rail, which engages tabs of the box walls. The top rail may have a vertical lip which facilitates stacking multiple tote boxes.Type: GrantFiled: April 22, 2002Date of Patent: May 20, 2003Assignee: Bradford CompanyInventor: Chad Wassink
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Patent number: 6547127Abstract: A tote box is disclosed which incorporates a box, four corner enhancers and a multiple piece top rail secured over the top edge of the erected walls of the box. The top rail comprises four corner pieces, two side pieces and two end pieces. The side and end pieces are secured onto the box by hooks which engage tabs extending outwardly from the walls of the box. The corner pieces of the top rail have projections adapted to engage holes in the side and end pieces of the top rail.Type: GrantFiled: December 13, 2001Date of Patent: April 15, 2003Assignee: Bradford CompanyInventors: Judson A. Bradford, Timothy A. Bublitz
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Patent number: 6527167Abstract: A container is made in a collapsed configuration with bellows fold corners for self erection. Outer end wall panels are joined to the container bottom, leading to horizontal ledge panels and inner end wall panels fold over and down to lock via tabs into openings in the bottom. Columns reside under the ledge panels and are provided by column forming panels folded inwardly and glued to the inner end wall panels. Fold lines define the corners of each column and bear against inner sides of the front and back walls holding the columns open. The column forming panels have protruding tabs back by corresponding tabs on one of the ledge panels betwen the inner and outer panels of the end walls. These tabs form a two thickness registration tab that engages a corresponding opening in the container bottom for stacking.Type: GrantFiled: March 5, 2002Date of Patent: March 4, 2003Assignee: Pack ‘N’ StackInventor: Phil B. Sheffer
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Patent number: 6513705Abstract: A preferably one-piece fold-and-glue container has corners reinforced by extensions that fold over and compress self-erecting bellows or gusset corner joints, and cutouts in each of the four front, back and end walls. The corrugated paperboard panels of a single flat blank define a bottom, opposite front and back walls and longitudinally opposite end walls. The joints have bellows panels integral with the front, back and end walls, joined at folds oriented diagonally and being glued to one of the adjacent walls to pull one another perpendicular to the bottom when erected. The end walls have an outer end wall panel integrally extending from the bottom and joined adjacent to the front or back to an extension having a protruding tab at its free end for locking into the bottom when the extension is folded over the gusset joint.Type: GrantFiled: March 13, 2002Date of Patent: February 4, 2003Assignee: Pack ‘N’ StackInventor: Phil B. Sheffer
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Patent number: 6508395Abstract: A stackable shipping container for shipping articles such as produce, which is open-topped. The shipping container is preferably provided with stacking indexing tabs configured to be received by corresponding slots in the bottom of a like container stacked atop a first such container. Inwardly inclined diagonal corner gussets are provided for providing support of the bottom of a container stacked above one such container, while increasing available container volume.Type: GrantFiled: February 28, 2002Date of Patent: January 21, 2003Assignee: Stone Container CorporationInventor: Michael B. McLeod
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Publication number: 20030010816Abstract: A container for transporting meat, produce, and other goods contains a bottom wall, side walls, and end walls. The end walls include hinged platform structures movable between a closed position and an open position. The closed position enables stable stacking of multiple containers and the open position allows easy access to the interior of the container for loading and unloading. The hinged platforms further add stability to the container walls when in the closed position.Type: ApplicationFiled: July 10, 2001Publication date: January 16, 2003Inventor: Keith A. Jackson
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Patent number: 6481619Abstract: A produce container comprises a bottom wall, a pair of opposing side walls, a front wall, and a back wall. The front and back walls are reinforced along their tops by partial rollovers, each of which comprises two flanges—a center flange and a major flange—hingedly attached to the wall being reinforced. Each rollover is formed by first folding the center flange slightly away from the major flange and then folding the major flange downward toward the corresponding wall. Folding the major flange captures the center flange and at the same time forms doubled, indexed stacking tabs whose tops are formed along the axis about which the major flap is folded. The corners where the side walls and front and back walls join are reinforced by corner structures, with the corner structures extending along a portion of each of the joining walls so that the corners are reinforced along each wall with at least two layers of vertically-corrugated paperboard.Type: GrantFiled: October 20, 2000Date of Patent: November 19, 2002Assignee: Packaging Corporation of AmericaInventor: Keith A. Jackson
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Patent number: 6474541Abstract: A foldable tote box is made of one-piece board of corrugated plastic. It comprises a rectangular bottom panel of two side edges and two end edges, a pair of side-wall panels, a pair of end wall panels, and two pairs of corner filler beam panels. Each side-wall panel has a folding edge integrally connected to the side edge of the bottom panel, and is folded along a first scored folding line at the folding edge, and has a cover panel connected to its top edge and two end edges defining a width of the side-wall panel and the height of the box. The end-wall panels are respectively integrally connected to and extended from the end edges of the bottom panel and folded along second scored folding lines. Each pair of corner filler beam panels is connected to the end edges of each end-wall panel. Each filler beam panels extends from the end edge of the end-wall panel and is folded along a third scored folding line to form a hollow support beam.Type: GrantFiled: July 30, 1999Date of Patent: November 5, 2002Inventor: Lawrence H. Y. Chu
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Patent number: 6460758Abstract: A corrugated board tray has stacking lugs extending from double thickness side walls. The stacking lug is formed from an integral upward extension of only the outer one of the side wall panels. The lug is folded inwardly and secured to the inside of the side wall. Corresponding slots are formed at the junction of the side wall and the base to receive the stacking lugs of a lower tray. Half-size trays may include stacking lugs and slots formed in the end walls.Type: GrantFiled: November 3, 2000Date of Patent: October 8, 2002Assignee: SCA Packaging LimitedInventors: Jason M. Fenton, Michael C. Chapman, William E. Burr
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Publication number: 20020125307Abstract: A container (10) formed from a one-piece blank (12) including a bottom panel (14), first and second opposed side walls (16), (18), and first and second end walls (20), (22). A top lid panel (24) connects to the first side wall and a bottom lid panel (26) connects to the second side wall. A locking tab (46) is formed in the first side wall and includes a thumb notch (48) located within the tab. The top lid panel includes a pair of cover latches (28) located on the outer corners thereof. The bottom lid panel includes a pair of alignment tabs (40) located on the outer corners thereof. Each end wall includes a hand hole lock (60), a lock slot (64), and a recess (66) located along the end wall exterior edge. The lock slot is located between the recess and the hand hole lock. Each end wall further includes first and second reinforcing panel sub-assemblies (56), (58), each having an inner panel (70), (100), a middle panel (72), (102), and an outer panel (74), (104).Type: ApplicationFiled: May 14, 2002Publication date: September 12, 2002Applicant: Weyerhaeuser CompanyInventor: Jack A. McClure
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Publication number: 20020113117Abstract: A packaging container is provided for shipping and the like that includes reinforced corners that utilizes rigid metal or plastic inserts housed in an internal, or external receiving slot.Type: ApplicationFiled: February 22, 2001Publication date: August 22, 2002Inventor: Karen Bradish
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Patent number: 6405921Abstract: A perforated carton for displaying products is disclosed. The carton is a multi-sided square or rectangular structure including side panels, a top panel, and a bottom panel. When the carton is torn or separated along pre-cut perforations, a display portion of the carton is provided for display of products nested within the display portion of the carton. The cartons are stackable, and may be arranged in a cluster on a pallet in a configuration that is ready for shipment to a retailer to facilitate display of the pallet or cartons in a shopping area with minimal modification or reconfiguration of the cartons at a retail store site.Type: GrantFiled: May 12, 2000Date of Patent: June 18, 2002Assignee: Kimberly Clark Worldwide, Inc.Inventor: Larry Cochrane
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Patent number: 6402020Abstract: A container (10) formed from a one-piece blank (12) including a bottom panel (14), first and second opposed side walls (16), (18), and first and second end walls (20), (22). A top lid panel (24) connects to the first side wall and a bottom lid panel (26) connects to the second side wall. A locking tab (46) is formed in the first side wall and includes a thumb notch (48) located within the tab. The top lid panel includes a pair of cover latches (28) located on the outer corners thereof. The bottom lid panel includes a pair of alignment tabs (40) located on the outer corners thereof. Each end wall includes a hand hole lock (60), a lock slot (64), and a recess (66) located along the end wall exterior edge. The lock slot is located between the recess and the hand hole lock. Each end wall further includes first and second reinforcing panel sub-assemblies (56), (58), each having an inner panel (70), (100), a middle panel (72), (102), and an outer panel (74), (104).Type: GrantFiled: January 8, 2001Date of Patent: June 11, 2002Assignee: Weyerhaeuser CompanyInventor: Jack A. McClure
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Patent number: 6394742Abstract: Boxes each having opposing top and bottom walls adjoining opposing end walls and opposing side walls spaced apart a width adjoining the opposing top and bottom walls and the opposing end walls and having recessed end structure wherein a portion of the opposing side walls adjacent at least one of the opposing end walls that is narrower widthwise than the width are disposed diagonally inwardly and at least one of the top and bottom walls is tapered inwardly to the at least one of the opposing end walls that is narrower widthwise than the width, and arranging the boxes in an array of at least one row wherein each row contains the boxes disposed abreast one another with respective opposing end walls adjacent one another such that an opening is formed between adjacent opposing end walls.Type: GrantFiled: April 28, 2000Date of Patent: May 28, 2002Assignee: The Mead CorporationInventor: Craig W. Buscema
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Patent number: 6378764Abstract: A tray for transporting products and a method for its manufacture, the tray being formed from a sheet of cardboard which is die cut and includes fold lines defining the bottom and sides of the tray. The tray includes a hollow corner column (5) into which a reinforcing element (6) is inserted.Type: GrantFiled: April 6, 2000Date of Patent: April 30, 2002Assignee: Videcart, S.A.Inventor: Pere Teixidor Casanovas
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Patent number: 6349877Abstract: A tote box is disclosed which incorporates a box, four corner enhancers and a top rail which is secured over the top edge of the erected walls of the box. The walls of the box are held together with the corner enhancers without the benefit of any mechanical fasteners such as rivets or the like. A multiple piece top rail is secured onto the box by hooks which engage tabs extending outwardly from the walls of the box. The top rail has a vertical lip which facilitates stacking multiple tote boxes.Type: GrantFiled: November 13, 2000Date of Patent: February 26, 2002Assignee: Bradford CompanyInventor: Judson A. Bradford
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Patent number: 6325282Abstract: A container having an internal corner support for increasing the stacking strength of the container. The container has multiple wall panels. The internal corner support includes first and second panel sections attached pivotally to one another and which are adjacent a corner of the container for providing additional stacking support.Type: GrantFiled: October 16, 2000Date of Patent: December 4, 2001Inventors: Allen Kanter, Andy Sypawka
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Patent number: 6305599Abstract: A reusable assembled box and a method of transport thereof are provided, in that the box has a base with greater strength, and is capable of disassembled into compact pieces facilitating sending back thereof, thus reducing a transport cost and enabling reuse of the box in higher frequency. The box comprises a first member, a second member, and coupling members. The first member is in a substantially rectangular shape, comprises a base and a pair of opposing side walls folded up from the base. The second member is in a substantially rectangular shape and comprises a base, overlain on the base of the first member, in a shape substantially identical to that of the first member, and a pair of side walls adjacent to the walls of the first member. The coupling members detachably couples upper end corners of adjacent side walls of the first and second members assembled into a box by overlaying the bases of the first and second members.Type: GrantFiled: January 17, 2001Date of Patent: October 23, 2001Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Masami Tsubaki, Hideki Iino
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Patent number: 6305601Abstract: A tote box is disclosed which incorporates a box, four corner enhancers and a top rail which is secured over the top edge of the erected walls of the box. The walls of the box are held together with the corner enhancers without the benefit of any mechanical fasteners such as rivets or the like. The top rail is secured onto the box by a hook on the bottom edge of a channel side wall which engages tabs extending outwardly from the walls of the box. The top rail has a vertical lip which facilitates stacking multiple tote boxes.Type: GrantFiled: September 7, 2000Date of Patent: October 23, 2001Assignee: Bradford CompanyInventors: Donald J. Bazany, Judson A. Bradford